Optorite announced recently a new 16X and 4X DL recorder with the codename: DD1601... Quick specs:
4x DVD+R 8.5GB Double Layer Recording
Supports both DVD+RW and DVD-RW formats
Up to 16x DVD+R write speed
Seamless Link technology prevents buffer under run errors
Horizontal or vertical mounting orientation
Dual panel - includes both beige and black faceplates
Interface E-IDE / ATAPI(Ultra DMA mode2)
Internal Buffer Size 2MB
Data transfer speed (ATA I/F) 33MB / sec
Random Access Time DVD: 130ms ; CD: 100ms

Write Speed
DVD+R 16x
DVD+RW 4x
DVD-R 8x
DVD-RW 4x
CD-R 40x
CD-RW 24x

Read Speed
DVD+R 8x
DVD+RW 8x
DVD-R 8x
DVD-RW 8x
CD-R 40x
CD-RW 40x
CD-DA 40x
DVD-ROM 16x (Single) ; 8x (Double)
CD-ROM 40x

Writing Type
DVD+R Incremental Write (Multi Session Support)
DVD+RW Random Write
DVD-R Disc at Once, Incremental Recording (Multi-Border Support)
DVD-RW Rigid Restricted Overwriting, Incremental Write
CD-R/RW Disc at Once, Session at Once, Track at Once, Packet Writing (Multi Session Support)

Support Media Type DVD-ROM, DVD single layer / Dual layer, DVD+R/RW, DVD-R/RW, CD-DA, CD-ROM [Mode1, Mode2 (Form1/2)], CD-ROM / XA, Mixed mode CD, CD-R/RW, CD Extra, CD-TEXT

Support Formats DVD-ROM (UDF Bridge), DVD-ROM (ISO 9660), DVD-ROM (UDF), DVD-VIDEO, DVD-VR

Disc Size 8/12 cm discs
Dimensions (W*H*D) 148.5*42.5*194.2 mm (5.85*1.67*7.65in)
Weight (bare drive) <1.0kg (2.2lb)
MTBF > 100,000 POH (duty 20％)